New Render API

render/data.go

@@ -2,19 +2,15 @@ package render
 
 import "net/http"
 
-type dataRender struct{}
+type Data struct {
+	ContentType string
+	Data        []byte
+}
 
-func (_ dataRender) Render(w http.ResponseWriter, code int, data ...interface{}) error {
-	contentType := data[0].(string)
-	bytes := data[1].([]byte)
-	WriteData(w, code, contentType, bytes)
+func (r Data) Write(w http.ResponseWriter) error {
+	if len(r.ContentType) > 0 {
+		w.Header().Set("Content-Type", r.ContentType)
+	}
+	w.Write(r.Data)
 	return nil
 }
-
-func WriteData(w http.ResponseWriter, code int, contentType string, data []byte) {
-	if len(contentType) > 0 {
-		w.Header().Set("Content-Type", contentType)
-	}
-	w.WriteHeader(code)
-	w.Write(data)
-}